Split_Taper_Catalog

MST Catalog

1/28/05

12:03 PM

Page a

MST Catalog

1/28/05

12:03 PM

Page b

No. 35 – 3/8” Pitch

Martin

MST - Martin Split Taper C

L P

O.D.

H

T OL

TYPE 3

Single - MST Sprockets No. Teeth

Catalog Number

Bushing

Diameters Outside Pitch Dia. Dia.

Dimensions Type

Max. Bore

OL

L

C

H

Weight (Approx.)

P

T(nom)

With Hub

Rim Only

19

35H19

H

2.470

2.278

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.3

.5

20

35H20

H

2.590

2.397

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.3

.5

21

35H21

H

2.710

2.516

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.4

.6

22

35H22

H

2.830

2.635

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.5

.7

23

35H23

H

2.950

2.754

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.5

.7

24

35H24

H

3.070

2.873

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.6

.8

25

35H25

H

3.190

2.992

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.6

.8

26

35H26

H

3.310

3.111

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.6

.8

28

35H28

H

3.550

3.349

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.7

.9

30

35H30

H

3.790

3.588

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.7

.9

32

35H32

H

4.030

3.826

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.7

.9

35

35H35

H

4.390

4.183

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.8

1.0

36

35H36

H

4.510

4.303

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

1.8

1.0

40

35H40

H

4.990

4.780

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

2.0

1.2

42

35H42

H

5.230

5.018

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

2.0

1.2

45

35H45

H

5.590

5.376

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

2.2

1.4

48

35H48

H

5.950

5.734

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

2.3

1.5

54

35H54

H

6.660

6.449

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

2.6

1.8

60

35H60

H

7.380

7.165

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

3.1

2.3

70

35H70

H

8.580

8.358

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

3.6

2.8

72

35H72

H

8.810

8.597

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

3.8

3.0

80

35H80

H

9.770

9.552

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

4.6

3.8

84

35H84

H

10.250

10.029

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

4.8

4.0

96

35H96

H

11.680

11.461

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

6.1

5.3

112

35H112

H

13.590

13.371

3

1-1/2

1-1/2

1-1/4

1/16

2-1/2

1-5/32

.168

7.6

6.8

MST Catalog

1/28/05

12:03 PM

Page 1

Martin

No. 40 – 1/2” Pitch

MST - Martin Split Taper

Single - MST Sprockets No. Teeth

Catalog Number

15 16 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 28 28 29 30 30 31 32 32 33 33 34 35 35 36 36 37 38 38 40 40 41 42 44 45 47 48 50 54 56 60 60 70 70 72 80 84 96 112

40H15H 40H16H 40H17H 40H18H 40P18H 40H19H 40P19H 40H20H 40P20H 40H21H 40P21H 40H22H 40P22H 40H23H 40P23H 40H24H 40P24H 40H25H 40P25H 40H26H 40P26H 40H27H 40H28H 40P28H 40P29H 40H30H 40P30H 40P31 40H32H 40P32 40H33H 40P33 40P34 40H35H 40P35 40H36H 40P36 40P37 40H38H 40P38 40H40H 40P40 40P41 40P42 40P44 40P45 40P47 40P48 40P50 40P54 40P56 40P60 40Q60 40P70 40Q70 40Q72 40Q80 40Q84 40Q96 40Q112

Bushing

Diameters Outside Pitch Dia. Dia.

Type

H H H H P1 H P1 H P1 H P1 H P1 H P1 H P1 H P1 H P1 H H P1 P1 H P1 P1 H P1 H P1 P1 H P1 H P1 P1 H P1 H P1 P1 P1 P1 P1 P1 P1 P1 P1 P1 P1 Q1 P1 Q1 Q1 Q1 Q1 Q1 Q1

2.650 2.810 2.980 3.140 3.140 3.300 3.300 3.460 3.460 3.620 3.620 3.780 3.780 3.940 3.940 4.100 4.100 4.260 4.260 4.420 4.420 4.580 4.740 4.740 4.900 5.060 5.060 5.220 5.380 5.380 5.540 5.540 5.700 5.860 5.860 6.020 6.020 6.180 6.330 6.330 6.650 6.650 6.810 6.970 7.290 7.450 7.770 7.930 8.250 8.890 9.200 9.840 9.840 11.430 11.430 11.750 13.030 13.660 15.570 18.120

3 3 3 3 3 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 3 4 4 3 4 4 3 4 3 4 4 3 4 3 4 4 3 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

2.405 2.563 2.721 2.879 2.879 3.038 3.038 3.196 3.196 3.355 3.355 3.513 3.513 3.672 3.672 3.831 3.831 3.989 3.989 4.148 4.148 4.307 4.466 4.466 4.625 4.783 4.783 4.942 5.101 5.101 5.260 5.260 5.419 5.578 5.578 5.737 5.737 5.896 6.055 6.055 6.373 6.373 6.532 6.691 7.009 7.168 7.486 7.645 7.963 8.599 8.917 9.554 9.554 11.145 11.145 11.463 12.736 13.372 15.281 17.828

Dimensions Max. Bore

2 2 2 2 2 2 2

OL

1 1/2 1 1/2 1 1/2 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 1/2 1 3/4 1 3/4 1 1/2 1 3/4 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 11/16 1 3/4 11/16 11/16 11/16 11/16 11/16 11/16

1 19/32 1 19/32 1 1/2 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 1 1/2 2 3/16 2 3/16 1 1/2 2 3/16 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 2 3/16 2 3/16 2 3/16 2 3/16 2 3/16 2 3/16 2 3/16 2 3/16 2 3/16 2 3/16 2 25/32 2 3/16 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32

L

1 1 1 1 1 1 1 1 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

C

1 1/4 1 1/4 1 1/4 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 1 1/4 15/16 15/16 1 1/4 15/16 15/16 1 1/4 15/16 1 1/4 15/16 15/16 1 1/4 15/16 1 1/4 15/16 15/16 1 1/4 15/16 1 1/4 15/16 15/16 15/16 15/16 15/16 15/16 15/16 15/16 15/16 15/16 15/16 2 1/2 15/16 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2

H

P

5/32 2 1/2 5/32 2 1/2 1/16 2 1/2 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 1/16 2 1/2 1/16 2 1/2 0 3 0 3 1/16 2 1/2 0 3 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 0 3 1/16 2 1/2 0 3 1/16 2 1/2 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 4 1/8 0 3 0 4 1/8 0 4 1/8 0 4 1/8 0 4 1/8 0 4 1/8 0 4 1/8 Sprockets

T(nom)

Weight (Approx.)

With Hub Rim Only

1 1/8 .284 1 1/8 .284 1 1/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 1/32 .284 1 21/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 1/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 1 21/32 .284 2 7/32 .284 1 21/32 .284 2 7/32 .284 2 7/32 .284 2 7/32 .284 2 7/32 .284 2 7/32 .284 2 7/32 .284 with “H” suffix have

1.3 1.4 1.4 1.4 2.7 1.6 2.6 1.7 2.6 1.7 2.8 1.8 2.9 1.8 3.0 1.9 3.1 2.1 3.2 2.1 3.2 2.2 2.2 3.4 3.6 2.4 3.6 3.8 2.6 3.9 2.7 3.9 4.1 2.9 4.2 3.1 4.4 4.6 3.4 4.6 3.6 4.8 4.9 5.2 5.3 5.5 5.9 6.1 6.3 6.8 7.2 7.9 12.3 9.9 14.5 14.7 16.6 17.6 16.3 20.8 hardened

Double Single - MST — Steel No. Teeth

19 21 23 24

Catalog Number

DS40H19H DS40H21H DS40P23H DS40P24H

Bushing Size

H H P1 P1

Diameters Outside Pitch Diameter Diameter

3.300 3.620 3.940 4.100

3.038 3.355 3.672 3.831

Dimensions Min. Bore

Max. Bore

Type

L1

C

E

⁄8 3 ⁄8 1 ⁄2 1 ⁄2

11⁄2 11⁄2 13⁄4 13⁄4

BH BH B B

113⁄32 113⁄32 113⁄32 113⁄32

11⁄8 11⁄8 11⁄8 11⁄8

2 1⁄2 2 25⁄32 3 3⁄32 317⁄64

3

L2

w Nom.

Wt. Rim Only

21⁄32 21⁄32 29⁄32 29⁄32

.284 .284 .284 .284

1.5 2 2.3 2.5

.5 .6 .6 .6 1.4 .8 1.3 .9 1.3 .9 1.5 1.0 1.6 1.0 1.7 1.1 1.8 1.3 1.9 1.3 1.9 1.4 1.4 2.1 2.3 1.6 2.3 2.5 1.8 2.6 1.9 2.6 2.8 2.1 2.9 2.3 3.1 3.3 2.6 3.3 2.8 3.5 3.6 3.9 4.0 4.2 4.6 4.8 5.0 5.5 5.9 6.6 8.8 8.6 11.0 11.2 13.1 14.1 12.8 17.3 teeth.

C

L P

O.D.

H

T OL

TYPE 3 L

C

P

O.D.

H

T OL

TYPE 4

L1 W

L2

E

C

MST TYPE B 1

MST Catalog

1/28/05

12:03 PM

Page 2

No. 40-2 – 1/2” Pitch M

Martin

MST - Martin Split Taper

P

T

T

M M .841”

L M

PP

.841” M

P

P

T

M L

C

T

T

P

.841” M

P

O.D. H

O.D.

T

C

O.D. O.D.

C C

HH

HH

O.D. O.D.

H H

O.D.

L

C T

OL

L L OL OL

TYPE 22

TYPE 2411 TYPE

T L OL OL

OL OL

TYPE TYPE25 12

TYPE TYPE 1627

C

Double - MST Sprockets Diameters Outside Pitch Dia. Dia.

Type

Max. Bore

Weight (Approx.)

With Hub Rim Only

Catalog Number

Bushing

15

D40H15H

H

2.650

2.405

11

1-1/2

2-5/32

1-1/4

23/32

2-1/2

1-1/8

.275

1.7

.9

16

D40H16H

H

2.810

2.563

11

1-1/2

2-5/32

1-1/4

23/32

2-1/2

1-1/8

.275

1.8

1.0

17

D40H17H

H

2.980

2.721

11

1-1/2

2-5/32

1-1/4

23/32

2-1/2

1-1/8

.275

1.9

1.1

18

D40P18H

P1

3.140

2.879

16

1-3/4

3 3/16 1-15/16

1

3

1-3/8

.275

3.1

1.8

19

D40P19H

P1

3.300

3.038

12

1-3/4

2 15/32 1-15/16

9/32

3

1-3/8

.275

2.7

1.4

OL

L

C

H

P

T(nom)

20

D40P20H

P1

3.460

3.196

12

1-3/4

2-13/32 1-15/16

7/32

3

1-3/8

.275

2.9

1.6

21

D40P21H

P1

3.620

3.355

12

1-3/4

2-13/32 1-15/16

7/32

3

1-3/8

.275

3.1

1.8

22

D40P22H

P1

3.780

3.513

12

1-3/4

2-13/32 1-15/16

7/32

3

1-3/8

.275

3.3

2.0

23

D40P23H

P1

3.940

3.672

12

1-3/4

2-3/16 1-15/16

0

3

1-3/32

.275

3.3

2.0

24

D40P24H

P1

4.100

3.831

12

1-3/4

2-3/16 1-15/16

0

3

1-3/32

.275

3.5

2.2

25

D40P25H

P1

4.260

3.989

12

1-3/4

2-3/16 1-15/16

0

3

1-3/32

.275

3.8

2.5

26

D40P26H

P1

4.420

4.148

12

1-3/4

2-3/16 1-15/16

0

3

1-3/32

.275

4.0

2.7

28

D40P28H

P1

4.740

4.466

12

1-3/4

2-3/16 1-15/16

0

3

1-3/32

.275

4.4

3.1

30

D40Q30H

Q1

5.060

4.783

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

7.7

4.2

32

D40Q32H

Q1

5.380

5.101

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

8.8

5.3

35

D40Q35H

Q1

5.860

5.578

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

9.6

6.1

36

D40Q36H

Q1

6.020

5.737

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

10.0

6.5

40

D40Q40H

Q1

6.650

6.373

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

11.4

7.9

42

D40Q42H

Q1

6.970

6.691

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

12.4

8.9

45

D40Q45H

Q1

7.450

7.168

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

13.6

10.1

48

D40Q48H

Q1

7.930

7.645

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

15.3

11.8

52

D40Q52H

Q1

8.570

8.281

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

16.1

12.6

54

D40Q54H

Q1

8.890

8.599

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

17.8

14.3

60

D40Q60H

Q1

9.840

9.554

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

20.9

17.4

68

D40Q68

Q1

11.120

10.826

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

25.0

21.5

72

D40Q72

Q1

11.750

11.463

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

28.5

25.0

76

D40Q76

Q1

12.390

12.099

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

30.4

26.9

84

D40Q84

Q1

13.660

13.372

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

37.6

34.1

95

D40Q95

Q1

15.410

15.122

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

45.5

42.0

96

D40Q96

Q1

15.570

15.281

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

47.6

44.1

102

D40Q102

Q1

16.530

16.236

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

52.0

48.5

112

D40Q112

Q1

18.120

17.828

12

2-11/16

2-25/32

2-1/2

0

4-1/8

1-21/32

.275

64.5

61.0

Sprockets with “H” suffix have hardened teeth.

2

Dimensions

No. Teeth

MST Catalog

1/28/05

12:03 PM

Page 3

Martin

No. 40-3 – 1/2” Pitch

MST - Martin Split Taper

1.407” M

1.407” M

P

T

.1.407” M

P

P

T

T

O.D. H

O.D.

H

H

O.D.

L

C T

C

C

OL

L

OL

OL

TYPE 22

TYPE 23

TYPE 27

Triple - MST Sprockets No. Teeth

Catalog Number

Bushing

18 19 20 23 24 25 27 30 35 36 42 48 52 54 60 68 72 76 84 95 102

E40P18H E40P19H E40P20H E40P23H E40P24H E40P25H E40P27H E40Q30H E40Q35H E40Q36H E40Q42H E40Q48H E40Q52H E40Q54H E40Q60H E40Q68 E40Q72 E40Q76 E40Q84 E40Q95 E40Q102

P1 P1 P1 P1 P1 P1 P1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1

Diameters Outside Pitch Dia. Dia.

3.140 3.300 3.460 3.940 4.100 4.260 4.580 5.060 5.860 6.020 6.970 7.930 8.570 8.890 9.840 11.120 11.750 12.390 13.660 15.410 16.530

Dimensions Type

2.879 3.038 3.196 3.672 3.831 3.989 4.307 4.783 5.578 5.737 6.691 7.645 8.281 8.599 9.554 10.826 11.463 12.099 13.372 15.122 16.236

27 22 22 23 23 23 23 22 22 22 22 22 22 22 22 22 22 22 22 22 22

Max. Bore

1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16

OL

L

C

3-3/4 3 1/32 2 31/32 2-9/32 2-9/32 2-9/32 2-9/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32

1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2

1 9/16 27/32 25/32 3/32 3/32 3/32 3/32 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Weight (Approx.)

T(nom) With Hub Rim Only

H

P

3 3 3 3 3 3 3 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8

1-3/8 1-3/8 1-5/16 5/8 5/8 5/8 5/8 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32 1-3/32

.275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275 .275

3.2 3.1 3.3 3.6 3.9 4.3 4.6 8.0 10.4 11.1 14.6 18.7 22.2 23.4 28.8 37.0 41.4 46.0 55.9 71.4 82.0

1.9 1.8 2.0 2.3 2.6 3.0 3.3 4.5 6.9 7.6 11.1 15.2 18.7 19.9 25.3 33.5 37.9 42.5 52.4 67.9 78.5

Sprockets with “H” suffix have hardened teeth.

No. 50 – 5/8” Pitch L1 W

Double Single-MST — Steel No. Teeth

17 19 21 23 24

Catalog Number

DS50H17H DS50P19H DS50P21H DS50P23H DS50P24H

Bushing Size

H P1 P1 P1 P1

Diameters Outside Pitch Diameter Diameter

3.720 4.120 4.520 4.920 5.120

Sprockets with “H” suffix have hardened teeth.

3.401 3.797 4.194 4.590 4.788

L2

w Nom.

Wt. Rim Only

2 9⁄32 217⁄32 217⁄32 217⁄32 217⁄32

.343 .343 .343 .343 .343

2.3 2.8 3.8 4.6 5.0

Dimensions Min. Bore

Max. Bore

Type

L1

C

E

⁄8 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2

11⁄2 13⁄4 13⁄4 13⁄4 13⁄4

BH B B B B

121⁄32 121⁄32 121⁄32 121⁄32 121⁄32

15⁄16 15⁄16 15⁄16 15⁄16 15⁄16

211⁄16 35⁄64 331⁄64 357⁄64 45⁄64

3

L2

E

C

MST TYPE B

3

MST Catalog

1/28/05

12:03 PM

Page 4

No. 50 – 5/8” Pitch

Martin

MST - Martin Split Taper

Single - MST Sprockets No. Teeth

Catalog Number

Bushing

13 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 23 24 24 24 25 25 25 26 26 26 27 27 27 28 28 28 29 30 30 30 31 32 32 32 33 33 34 34 35 35 35 36 36 36 37 38 38 39 40 40 41 42 44 45 47 48 50 54 56 60 70 72 80 84 96 112

50H13H 50H14H 50H15H 50P15H 50H16H 50P16H 50H17H 50P17H 50H18H 50P18H 50H19H 50P19H 50H20H 50P20H 50H21H 50P21H 50H22H 50P22H 50H23H 50P23H 50Q23H 50H24H 50P24H 50Q24H 50H25H 50P25H 50Q25H 50H26H 50P26H 50Q26H 50H27H 50P27H 50Q27H 50H28H 50P28H 50Q28H 50P29H 50H30H 50P30H 50Q30H 50P31 50H32H 50P32 50Q32 50H33H 50P33 50H34H 50P34 50H35H 50P35 50Q35 50H36H 50P36 50Q36 50Q37 50H38H 50Q38 50Q39 50H40H 50Q40 50Q41 50Q42 50Q44 50Q45 50Q47 50Q48 50Q50 50Q54 50Q56 50Q60 50Q70 50Q72 50Q80 50Q84 50Q96 50Q112

H H H P1 H P1 H P1 H P1 H P1 H P1 H P1 H P1 H P1 Q1 H P1 Q1 H P1 Q1 H P1 Q1 H P1 Q1 H P1 Q1 P1 H P1 Q1 P1 H P1 Q1 H P1 H P1 H P1 Q1 H P1 Q1 Q1 H Q1 Q1 H Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1

Diameters Outside Pitch Dia. Dia.

2.910 3.110 3.320 3.320 3.520 3.520 3.720 3.720 3.920 3.920 4.120 4.120 4.320 4.320 4.520 4.520 4.720 4.720 4.920 4.920 4.920 5.120 5.120 5.120 5.320 5.320 5.320 5.520 5.520 5.520 5.720 5.720 5.720 5.920 5.920 5.920 6.120 6.320 6.320 6.320 6.520 6.720 6.720 6.720 6.920 6.920 7.120 7.120 7.320 7.320 7.320 7.520 7.520 7.520 7.720 7.920 7.920 8.120 8.320 8.320 8.520 8.720 9.110 9.310 9.710 9.910 10.310 11.110 11.500 12.300 14.290 14.690 16.280 17.080 19.470 22.650

2.612 2.809 3.006 3.006 3.204 3.204 3.401 3.401 3.599 3.599 3.797 3.797 3.995 3.995 4.194 4.194 4.392 4.392 4.590 4.590 4.590 4.788 4.788 4.788 4.987 4.987 4.987 5.185 5.185 5.185 5.384 5.384 5.384 5.582 5.582 5.582 5.781 5.979 5.979 5.979 6.178 6.376 6.376 6.376 6.575 6.575 6.774 6.774 6.972 6.972 6.972 7.171 7.171 7.171 7.370 7.569 7.569 7.767 7.966 7.966 8.165 8.363 8.761 8.960 9.357 9.556 9.954 10.749 11.147 11.942 13.931 14.329 15.920 16.715 19.102 22.285

Dimensions Type

3 3 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 4 3 4 4 3 4 4 3 4 4 3 4 4 3 4 4 4 3 4 4 4 3 4 4 3 4 3 4 3 4 4 3 4 4 4 3 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

Max. Bore

2

2

2

2

2

2

2

2

2

2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

1 1/2 1 1/2 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 11/16 1 1/2 1 3/4 11/16 1 1/2 1 3/4 11/16 1 1/2 1 3/4 11/16 1 1/2 1 3/4 11/16 1 1/2 1 3/4 11/16 1 3/4 1 1/2 1 3/4 11/16 1 3/4 1 1/2 1 3/4 11/16 1 1/2 1 3/4 1 1/2 1 3/4 1 1/2 1 3/4 11/16 1 1/2 1 3/4 11/16 11/16 1 1/2 11/16 11/16 1 1/2 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16 11/16

Sprockets with “H” suffix have hardened teeth.

4

OL

1 21/32 1 19/32 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 2 25/32 1 1/2 2 3/16 2 25/32 1 1/2 2 3/16 2 25/32 1 1/2 2 3/16 2 25/32 1 1/2 2 3/16 2 25/32 1 1/2 2 3/16 2 25/32 2 3/16 1 1/2 2 3/16 2 25/32 2 3/16 1 1/2 2 3/16 2 25/32 1 1/2 2 3/16 1 1/2 2 3/16 1 1/2 2 3/16 2 25/32 1 1/2 2 3/16 2 25/32 2 25/32 1 1/2 2 25/32 2 25/32 1 1/2 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32 2 25/32

L

1 1 1 1 1 1 1 1 1

1

1

1

1

1 1 1 1 1

1 1 1

1

1 1/4 1 1/4 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 2 1/2 1 1/4 15/16 2 1/2 1 1/4 15/16 2 1/2 1 1/4 15/16 2 1/2 1 1/4 15/16 2 1/2 1 1/4 15/16 2 1/2 15/16 1 1/4 15/16 2 1/2 15/16 1 1/4 15/16 2 1/2 1 1/4 15/16 1 1/4 15/16 1 1/4 15/16 2 1/2 1 1/4 15/16 2 1/2 2 1/2 1 1/4 2 1/2 2 1/2 1 1/4 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2

C

7/32 5/32 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 0 1/16 0 0 1/16 0 0 1/16 0 0 1/16 0 0 1/16 0 0 0 1/16 0 0 0 1/16 0 0 1/16 0 1/16 0 1/16 0 0 1/16 0 0 0 1/16 0 0 1/16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

H

2 1/2 2 1/2 2 1/2 3 2 1/2 3 2 1/2 3 2 1/2 3 2 1/2 3 2 1/2 3 2 1/2 3 2 1/2 3 2 1/2 3 4 1/8 2 1/2 3 4 1/8 2 1/2 3 4 1/8 2 1/2 3 4 1/8 2 1/2 3 4 1/8 2 1/2 3 4 1/8 3 2 1/2 3 4 1/8 3 2 1/2 3 4 1/8 2 1/2 3 2 1/2 3 2 1/2 3 4 1/8 2 1/2 3 4 1/8 4 1/8 2 1/2 4 1/8 4 1/8 2 1/2 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8 4 1/8

P

T(nom)

1 1/8 1 1/16 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 2 5/32 31/32 1 19/32 2 5/32 31/32 1 19/32 2 5/32 31/32 1 19/32 2 5/32 31/32 1 19/32 2 5/32 31/32 1 19/32 2 5/32 1 19/32 31/32 1 19/32 2 5/32 1 19/32 31/32 1 19/32 2 5/32 31/32 1 19/32 31/32 1 19/32 31/32 1 19/32 2 5/32 31/32 1 19/32 2 5/32 2 5/32 31/32 2 5/32 2 5/32 31/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32 2 5/32

.343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343 .343

Weight (Approx.)

With Hub Rim Only

1.4 1.4 1.6 2.4 1.7 2.7 1.8 2.7 1.9 3.1 2.1 3.1 2.3 3.3 2.2 3.4 2.3 3.5 2.5 3.7 6.7 2.6 3.9 7.0 2.7 4.0 7.1 2.8 4.1 7.2 3.0 4.2 7.3 3.3 4.3 7.5 4.7 3.7 4.9 9.1 4.9 4.0 5.2 9.6 4.2 5.4 4.5 5.6 4.6 5.6 10.3 4.8 6.1 10.3 10.5 5.2 10.9 11.1 5.6 11.5 11.7 11.8 12.1 12.5 12.8 13.1 13.3 14.8 15.8 16.8 20.4 21.6 24.6 27.8 33.3 42.8

.6 .6 .8 1.1 .9 1.4 1.0 1.4 1.1 1.8 1.3 1.8 1.5 2.0 1.4 2.1 1.5 2.2 1.7 2.4 3.2 1.8 2.6 3.5 1.9 2.7 3.6 2.0 2.8 3.7 2.2 2.9 3.8 2.5 3.0 4.0 3.4 2.9 3.6 5.6 3.6 3.2 3.9 6.1 3.4 4.1 3.7 4.3 3.8 4.3 6.8 4.0 4.8 6.8 7.0 4.4 7.4 7.6 4.8 8.0 8.2 8.3 8.6 9.0 9.3 9.6 9.8 11.3 12.3 13.3 16.9 18.1 21.1 24.3 29.8 39.3

C

L P

O.D.

H

T OL

TYPE 3

C

L P

O.D.

H

T OL

TYPE 4

MST Catalog

1/28/05

12:03 PM

Page 5

Martin

No. 50-2 – 5/8” Pitch

MST - Martin Split Taper

1.045” M

.1.045” M

P

T

P

C

T

L M .1.045”

O.D.

C

H

O.D.

H

P

H

O.D.

T

L OL

L OL

TYPE 11

TYPE 12

C

OL

TYPE 16

Double - MST Sprockets Diameters No. Teeth

Catalog Number

Bushing

Outside Dia.

Pitch Dia.

Dimensions Type

Max. Bore

OL

L

C

H

P

T(nom)

Weight (Approx.)

With Hub Rim Only

14

D50H14H

H

3.110

2.809

11

1-1/2

15 16 17 18

D50P15H D50P16H D50P17H D50P18H

P1 P1 P1 P1

3.320

3.006

16

1-3/4

2 5/16 1-1/4 3 7/16 1-15/16

7/8 1-1/4

2-1/2 1-3/32 3 1-13/32

.332 .332

2.0 3.3

1.2 2.0

3.520 3.720 3.920

3.204 3.401 3.599

12 12 12

1-3/4 1-3/4 1-3/4

2-11/16 1-15/16 2-11/16 1-15/16 2-11/16 1-15/16

1/2 1/2 1/2

3 1-13/32 3 1-13/32 3 1-13/32

.332 .332 .332

2.9 3.4 3.8

1.6 2.1 2.5

19 20

D50P19H D50P20H

P1 P1

4.120 4.320

3.797 3.995

12 12

1-3/4 1-3/4

2-3/16 1-15/16 2-3/16 1-15/16

0 0

3 3

.332 .332

3.3 3.8

2.0 2.5

29/32 29/32

21

D50P21H

P1

4.520

4.194

12

1-3/4

2-3/16 1-15/16

0

3

29/32

.332

4.1

2.8

22 23

D50P22H D50P23H

P1 P1

4.720 4.920

4.392 4.590

12 12

1-3/4 1-3/4

2-3/16 1-15/16 2-3/16 1-15/16

0 0

3 3

29/32 29/32

.332 .332

4.5 4.9

3.2 3.6

24

D50Q24H

Q1

5.120

4.788

12

2-11/16

2-25/32

2-1/2

0

4-1/8 1-15/32

.332

7.5

4.0

25

D50Q25H

Q1

5.320

4.987

12

2-11/16

2-25/32

2-1/2

0

4-1/8 1-15/32

.332

8.0

4.5

26

D50Q26H

Q1

5.520

5.185

12

2-11/16

2-25/32

2-1/2

0

4-1/8 1-15/32

.332

8.8

5.3

27 28 30 32 35 36 40 42 45 48 52 54 60 72 76 84 95 96 102 112

D50Q27H D50Q28H D50Q30H

Q1 Q1 Q1

5.720 5.920 6.320

5.384 5.582 5.979

12 12 12

2-11/16 2-11/16 2-11/16

2-25/32 2-25/32 2-25/32

2-1/2 2-1/2 2-1/2

0 0 0

4-1/8 1-15/32 4-1/8 1-15/32 4-1/8 1-15/32

.332 .332 .332

9.4 9.8 11.0

5.9 6.3 7.5

D50Q32H D50Q35H D50Q36H D50Q40H D50Q42H D50Q45H D50Q48H D50Q52 D50Q54 D50Q60 D50Q72 D50Q76 D50Q84 D50R95 D50R96 D50R102 D50R112

Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 R1 R1 R1 R1

6.720 7.320 7.520 8.320 8.720 9.310 9.910 10.710 11.110 12.300 14.690 15.490 17.080 19.270 19.470 20.660 22.650

6.376 6.972 7.171 7.966 8.363 8.960 9.556 10.351 10.749 11.942 14.329 15.124 16.715 18.903 19.102 20.295 22.285

12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12

2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 3-3/4 3-3/4 3-3/4 3-3/4

2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 3-5/32 3-5/32 3-5/32 3-5/32

2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-7/8 2-7/8 2-7/8 2-7/8

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 5-3/8 5-3/8 5-3/8 5-3/8

.332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332

12.0 13.9 14.5 17.1 18.5 21.0 23.9 26.8 26.8 29.0 46.6 49.5 60.2 79.8 88.2 92.0 100.7

8.5 10.4 11.0 13.6 15.0 17.5 20.4 23.3 23.3 25.5 43.1 46.0 56.7 72.3 80.7 84.5 93.2

1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 1-15/32 2-3/32 2-3/32 2-3/32 2-3/32

Sprockets with “H” suffix have hardened teeth.

5

MST Catalog

1/28/05

12:03 PM

Page 6

No. 50-3 – 5/8” Pitch 1.758” M

Martin

MST - Martin Split Taper

1.758” M

P

T

1.758” M

P

1.758” M

P

T

T

P

T

O.D. H

O.D.

H

O.D.

O.D.

H

H

L

C T

C

OL

OL

L OL

TYPE 22

TYPE 23

TYPE 24

C

C

L

OL

TYPE 27

Triple - MST Sprockets No. Teeth

Catalog Number

Bushing

15 16 17 18 19 20 21 23 24 25 26 28 30 32 35 36 40 42 48 52 60 68 72 76 84 95 102

E50P15H E50P16H E50P17H E50P18H E50P19H E50P20H E50P21H E50P23H E50Q24H E50Q25H E50Q26H E50Q28H E50Q30H E50Q32H E50Q35H E50Q36H E50Q40H E50Q42H E50Q48H E50Q52 E50R60 E50R68 E50R72 E50R76 E50R84 E50R95 E50R102

P2 P2 P2 P2 P1 P1 P1 P1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 R1 R1 R1 R1 R1 R1 R1

Diameters Outside Pitch Dia. Dia.

Type

Max. Bore

3.320 3.520 3.720 3.920 4.120 4.320 4.520 4.920 5.120 5.320 5.520 5.920 6.320 6.720 7.320 7.520 8.320 8.720 9.910 10.710 12.300 13.890 14.690 15.490 17.080 19.270 20.660

27 22 22 22 24 24 24 24 23 23 23 23 23 23 23 23 23 23 23 23 22 22 22 22 22 22 22

1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4

3.006 3.204 3.401 3.599 3.797 3.995 4.194 4.590 4.788 4.987 5.185 5.582 5.979 6.376 6.972 7.171 7.966 8.363 9.556 10.351 11.942 13.533 14.329 15.124 16.715 18.903 20.295

Weight (Approx.)

Dimensions OL

4-1/8 3 3/8 3 3/8 3 3/8 2-5/8 2-5/8 2-5/8 2-5/8 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-5/32 2-5/32 2-5/32 2-5/32 2-5/32 2-5/32 2-5/32

L

2-15/16 2-15/16 2-15/16 2-15/16 1-15/16 1-15/16 1-15/16 1-15/16 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8

C

H

15/16 3/16 3/16 3/16 7/16 7/16 7/16 7/16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 3 3 3 3 3 3 3 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8

P

1-3/8 1-3/8 1-3/8 1-3/8 5/8 5/8 5/8 5/8 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8

T(nom) With Hub

.332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332 .332

Rim Only

4.0 3.9 4.3 4.9 4.2 4.4 4.8 5.8 8.2 8.5 9.4 10.8 12.3 14.4 17.2 18.1 22.6 25.0 33.1 39.9 55.5 71.0 79.5 88.5 107.5 137.5 158.5

2.5 2.4 2.8 3.4 2.9 3.1 3.5 4.5 4.7 5.0 5.9 7.3 8.8 10.9 13.7 14.6 19.1 21.5 29.6 36.4 48.0 63.5 72.0 81.0 100.0 130.0 151.0

Sprockets with “H” suffix have hardened teeth.

No. 60 – 3/4” Pitch L1 W

Double Single-MST — Steel L2

C

MST TYPE B 6

E

No. Teeth

17 19 21 22 23 24

Catalog Number

DS60P17H DS60P19H DS60Q21H DS60Q22H DS60Q23H DS60Q24H

Bushing Size

P1 P1 Q1 Q1 Q1 Q1

Diameters Outside Pitch Diameter Diameter

4.460 4.950 5.430 5.670 5.910 6.150

4.002 4.557 5.032 5.270 5.508 5.746

Dimensions Min. Bore

Max. Bore

Type

L1

C

⁄2 1 ⁄2 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4

13⁄4 13⁄4 211⁄16 211⁄16 211⁄16 211⁄16

B B B B B B

115⁄16 115⁄16 115⁄16 115⁄16 115⁄16 115⁄16

131⁄64 131⁄64 131⁄64 131⁄64 131⁄64 131⁄64

1

E

37⁄32 345⁄64 43⁄16 427⁄64 443⁄64 429⁄32

L2

w Nom.

Wt. Rim Only

115⁄16 115⁄16 21⁄2 21⁄2 21⁄2 21⁄2

.459 .459 .459 .459 .459 .459

3.9 5.3 5.4 6.2 6.9 7.6

MST Catalog

1/28/05

12:03 PM

Page 7

Martin

No. 60 – 3/4” Pitch

MST - Martin Split Taper

Single - MST Sprockets No. Teeth

Catalog Number

Bushing

11 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 20 21 21 22 22 22 23 23 24 24 24 25 25 26 26 27 27 28 28 29 30 30 31 32 33 34 35 36 37 38 39 40 41 42 44 45 47 48 50 54 56 60 70 70 72 72 80 80 84 84 96 96 112 112

60H11H 60H12H 60H13H 60P13H 60H14H 60P14H 60H15H 60P15H 60H16H 60P16H 60H17H 60P17H 60H18H 60P18H 60H19H 60P19H 60H20H 60P20H 60Q20H 60P21H 60Q21H 60H22H 60P22H 60Q22H 60P23H 60Q23H 60H24H 60P24H 60Q24H 60P25H 60Q25H 60P26H 60Q26H 60P27H 60Q27H 60P28H 60Q28H 60Q29H 60P30H 60Q30H 60Q31 60Q32 60Q33 60Q34 60Q35 60Q36 60Q37 60Q38 60Q39 60Q40 60Q41 60Q42 60Q44 60Q45 60Q47 60Q48 60Q50 60Q54 60Q56 60Q60 60Q70 60R70 60Q72 60R72 60Q80 60R80 60Q84 60R84 60Q96 60R96 60Q112 60R112

H H H P1 H P1 H P1 H P1 H P1 H P1 H P1 H P1 Q1 P1 Q1 H P1 Q1 P1 Q1 H P1 Q1 P1 Q1 P1 Q1 P1 Q1 P1 Q1 Q1 P1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 R1 Q1 R1 Q1 R1 Q1 R1 Q1 R1 Q1 R1

Diameters Outside Pitch Dia. Dia.

3.000 3.250 3.490 3.490 3.740 3.740 3.980 3.980 4.220 4.220 4.460 4.460 4.700 4.700 4.950 4.950 5.190 5.190 5.190 5.430 5.430 5.670 5.670 5.670 5.910 5.910 6.150 6.150 6.150 6.390 6.390 6.630 6.630 6.870 6.870 7.110 7.110 7.350 7.590 7.590 7.830 8.070 8.300 8.540 8.780 9.020 9.260 9.500 9.740 9.980 10.220 10.460 10.940 11.180 11.650 11.890 12.370 13.330 13.810 14.760 17.150 17.150 17.630 17.630 19.540 19.540 20.490 20.490 23.360 23.360 27.180 27.180

Dimensions Type

Max. Bore

OL

L

3 3 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 4 4 4 3 4 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

1-1/2 1-1/2 1-1/2 1-3/4 1-1/2 1-3/4 1-1/2 1-3/4 1-1/2 1-3/4 1-1/2 1-3/4 1-1/2 1-3/4 1-1/2 1-3/4 1-1/2 1-3/4 2-11/16 1-3/4 2-11/16 1-1/2 1-3/4 2-11/16 1-3/4 2-11/16 1-1/2 1-3/4 2-11/16 1-3/4 2-11/16 1-3/4 2-11/16 1-3/4 2-11/16 1-3/4 2-11/16 2-11/16 1-3/4 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4

1-13/16 1-3/4 1-1/2 2-3/16 1-1/2 2-3/16 1-1/2 2-3/16 1-1/2 2-3/16 1-1/2 2-3/16 1-1/2 2-3/16 1-1/2 2-3/16 1-1/2 2-3/16 2-25/32 2-3/16 2-25/32 1-1/2 2-3/16 2-25/32 2-3/16 2-25/32 1-1/2 2-3/16 2-25/32 2-3/16 2-25/32 2-3/16 2-25/32 2-3/16 2-25/32 2-3/16 2-25/32 2-25/32 2-3/16 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 3-5/32 2-25/32 3-5/32 2-25/32 3-5/32 2-25/32 3-5/32 2-25/32 3-5/32 2-25/32 3-5/32

1-1/4 1-1/4 1-1/4 1-15/16 1-1/4 1-15/16 1-1/4 1-15/16 1-1/4 1-15/16 1-1/4 1-15/16 1-1/4 1-15/16 1-1/4 1-15/16 1-1/4 1-15/16 2-1/2 1-15/16 2-1/2 1-1/4 1-15/16 2-1/2 1-15/16 2-1/2 1-1/4 1-15/16 2-1/2 1-15/16 2-1/2 1-15/16 2-1/2 1-15/16 2-1/2 1-15/16 2-1/2 2-1/2 1-15/16 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-7/8 2-1/2 2-7/8 2-1/2 2-7/8 2-1/2 2-7/8 2-1/2 2-7/8 2-1/2 2-7/8

2.662 2.898 3.134 3.134 3.371 3.371 3.607 3.607 3.844 3.844 4.082 4.082 4.319 4.319 4.557 4.557 4.794 4.794 4.794 5.032 5.032 5.270 5.270 5.270 5.508 5.508 5.746 5.746 5.746 5.984 5.984 6.222 6.222 6.460 6.460 6.699 6.699 6.937 7.175 7.175 7.413 7.652 7.890 8.129 8.367 8.605 8.844 9.082 9.321 9.559 9.798 10.036 10.513 10.752 11.229 11.467 11.945 12.899 13.376 14.331 16.717 16.717 17.194 17.194 19.103 19.103 20.058 20.058 22.922 22.922 26.742 26.742

C

3/8 5/16 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 1/16 0 0 0 0 1/16 0 0 0 0 1/16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

H

P

T(nom)

2-1/2 2-1/2 2-1/2 3 2-1/2 3 2-1/2 3 2-1/2 3 2-1/2 3 2-1/2 3 2-1/2 3 2-1/2 3 4-1/8 3 4-1/8 2-1/2 3 4-1/8 3 4-1/8 2-1/2 3 4-1/8 3 4-1/8 3 4-1/8 3 4-1/8 3 4-1/8 4-1/8 3 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8

1-5/32 1-3/32 27/32 1-15/32 27/32 1-15/32 27/32 1-15/32 27/32 1-15/32 27/32 1-15/32 27/32 1-15/32 27/32 1-15/32 27/32 1-15/32 2-1/32 1-15/32 2-1/32 27/32 1-15/32 2-1/32 1-15/32 2-1/32 27/32 1-15/32 2-1/32 1-15/32 2-1/32 1-15/32 2-1/32 1-15/32 2-1/32 1-15/32 2-1/32 2-1/32 1-15/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-1/32 2-13/32 2-1/32 2-13/32 2-1/32 2-13/32 2-1/32 2-13/32 2-1/32 2-13/32 2-1/32 2-13/32

.459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459 .459

Weight (Approx.)

With Hub Rim Only

1.5 1.6 1.6 2.5 1.9 2.7 2.2 3.0 2.1 3.1 2.3 3.4 2.5 3.5 2.7 3.8 2.9 4.4 7.0 4.2 7.1 3.4 4.5 7.5 4.8 7.6 3.8 5.1 8.0 5.4 9.4 5.6 9.8 5.8 9.9 6.2 10.4 10.8 6.9 11.1 11.3 11.8 12.2 12.6 12.8 13.4 13.8 14.1 14.6 15.1 15.4 16.1 16.9 17.4 19.8 19.9 20.4 23.1 23.8 26.4 34.4 39.3 35.4 41.6 42.6 49.0 45.1 52.3 57.5 63.5 76.5 82.0

.7 .8 .8 1.2 1.1 1.4 1.4 1.7 1.3 1.8 1.5 2.1 1.7 2.2 1.9 2.5 2.1 3.1 3.5 2.9 3.6 2.6 3.2 4.0 3.5 4.1 3.0 3.8 4.5 4.1 5.9 4.3 6.3 4.5 6.4 4.9 6.9 7.3 5.6 7.6 7.8 8.3 8.7 9.1 9.3 9.9 10.3 10.6 11.1 11.6 11.9 12.6 13.4 13.9 16.3 16.4 16.9 19.6 20.3 22.9 30.9 31.8 31.9 34.1 39.1 41.5 41.6 44.8 54.0 56.0 73.0 74.5

C

L P

O.D.

H

T OL

TYPE 3

C

L P

O.D.

H

T OL

TYPE 4

Sprockets with “H” suffix have hardened teeth.

7

MST Catalog

1/28/05

12:03 PM

Page 8

No. 60-2 – 3/4” Pitch 1.341”

M

T

1.341”

P

M

T

Martin

MST - Martin Split Taper 1.341” M

P

P

1.341” L

C

T

M

O.D.

O.D.

H

C

L

H

H

O.D.

OL

TYPE 11

TYPE 12

H

O.D.

T

L OL

C

L OL

C

P

OL

TYPE 16

TYPE 13

Double - MST Sprockets Diameters No. Teeth

13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 35 36 40 42 42 45 48 52 54 60 68 72 76 84 95 96

Catalog Number

D60P13H D60P14H D60P15H D60P16H D60P17H D60P18H D60P19H D60P20H D60Q21H D60Q22H D60Q23H D60Q24H D60Q25H D60Q26H D60Q27H D60Q28H D60Q30H D60Q32H D60Q35H D60Q36H D60Q40H D60Q42 D60R42 D60R45 D60R48 D60R52 D60R54 D60R60 D60R68 D60R72 D60R76 D60R84 D60R95 D60R96

Bushing

Outside Dia.

P1 P1 P1 P1 P1 P1 P1 P1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1

3.490 3.740 3.980 4.220 4.460 4.700 4.950 5.190 5.430 5.670 5.910 6.150 6.390 6.630 6.870 7.110 7.590 8.070 8.780 9.020 9.980 10.460 10.460 11.180 11.890 12.850 13.330 14.760 16.670 17.630 18.580 20.490 23.120 23.360

Type

3.134 3.371 3.607 3.844 4.082 4.319 4.557 4.794 5.032 5.270 5.508 5.746 5.984 6.222 6.460 6.699 7.175 7.652 8.367 8.605 9.559 10.036 10.036 10.752 11.467 12.422 12.899 14.331 16.240 17.194 18.149 20.058 22.683 22.922

16 12 12 13 13 13 13 13 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12

Sprockets with “H” suffix have hardened teeth.

8

Dimensions

Pitch Dia.

Max. Bore

1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4

OL

3-13/16 3 3 2-7/32 2-7/32 2-7/32 2-7/32 2-7/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32

L

C

1-15/16 1 5/8 1-15/16 13/16 1-15/16 13/16 1-15/16 1/32 1-15/16 1/32 1-15/16 1/32 1-15/16 1/32 1-15/16 1/32 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-1/2 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0 2-7/8 0

H

3 3 3 3 3 3 3 3 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8

P

T(nom)

1-13/32 1-13/32 1-13/32 5/8 5/8 5/8 5/8 5/8 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1-5/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32 1 17/32

.444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444 .444

Weight (Approx.)

With Hub Rim Only

3.8 3.6 4.0 3.7 4.1 4.7 5.3 6.0 8.3 9.1 9.8 10.5 11.4 12.3 13.1 14.0 15.8 17.8 21.2 21.9 27.4 29.8 33.2 37.7 42.6 49.3 52.6 62.3 81.3 89.3 100.5 118.5 155.5 162.5

2.5 2.3 2.7 2.4 2.8 3.4 4.0 4.7 4.8 5.6 6.3 7.0 7.9 8.8 9.6 10.5 12.3 14.3 17.7 18.4 23.9 26.3 25.7 30.2 35.1 41.8 45.1 54.8 73.8 81.8 93.0 111.0 148.0 155.0

MST Catalog

1/28/05

12:03 PM

Page 9

Martin

No. 60-3 – 3/4” Pitch

MST - Martin Split Taper M

M T

P

T

L M

P

P

M

2.238”

2.238”

2.238”

P

T 2.238”

O.D. H

O.D.

O.D.

H

H

O.D.

H

L

C T

C

C

OL

L OL

T OL

TYPE 22

TYPE 24

TYPE 25

OL

TYPE 27

Triple - MST Sprockets Diameters Outside Pitch Dia. Dia.

Dimensions Type

Max. Bore

Weight (Approx.)

With Hub Rim Only

No. Teeth

Catalog Number

Bushing

13

E60P13H

P2

3.490

3.134

27

1-3/4

4 23/32 2-15/16

1 17/32

3 1-13/32

.444

4.8

3.3

14

E60P14H

P2

3.740

3.371

22

1-3/4

3 29/32 2-15/16

1-23/32

3 1-13/32

.444

4.8

3.3

15

E60P15H

P2

3.980

3.607

22

1-3/4

3 29/32 2-15/16

1-23/32

3 1-13/32

.444

5.5

4.0

16

E60P16H

P1

4.220

3.844

24

1-3/4

3 1/8 1-15/16

15/16

3

5/8

.444

4.7

3.4

17

E60Q17H

Q1

4.460

4.082

27

2-11/16

5

3-1/2

13/32

4-1/8 1-21/32

.444

8.1

4.6

18

E60Q18H

Q1

4.700

4.319

22

2-11/16

4-3/16

3-1/2

13/32

4-1/8 1-21/32

.444

8.5

5.0

19

E60Q19H

Q1

4.950

4.557

22

2-11/16

4-3/16

3-1/2

13/32

4-1/8 1-21/32

.444

9.4

5.9

20

E60Q20H

Q1

5.190

4.794

22

2-11/16

4-3/16

3-1/2

13/32

4-1/8 1-21/32

.444

10.5

7.0

21

E60Q21H

Q1

5.430

5.032

24

2-11/16

3-1/4

2-1/2

15/32

4-1/8

.444

9.2

5.7

OL

L

C

H

P

T(nom)

3/4

22

E60Q22H

Q1

5.670

5.270

24

2-11/16

3-1/4

2-1/2

15/32

4-1/8

3/4

.444

10.1

6.6

23

E60Q23H

Q1

5.910

5.508

25

2-11/16

2-25/32

2-1/2

0

4-1/8

1/4

.444

11.2

7.7

24

E60Q24H

Q1

6.150

5.746

25

2-11/16

2-25/32

2-1/2

0

4-1/8

1/4

.444

12.3

8.8

25

E60Q25H

Q1

6.390

5.984

25

2-11/16

2-25/32

2-1/2

0

4-1/8

1/4

.444

13.5

10.0

26

E60Q26H

Q1

6.630

6.222

25

2-11/16

2-25/32

2-1/2

0

4-1/8

1/4

.444

14.6

11.1

27

E60Q27H

Q1

6.870

6.460

25

2-11/16

2-25/32

2-1/2

0

4-1/8

1/4

.444

15.9

12.4

28

E60Q28H

Q1

7.110

6.699

25

2-11/16

2-25/32

2-1/2

0

4-1/8

1/4

.444

17.1

13.6

30

E60R30H

R1

7.590

7.175

25

3-3/4

3-5/32

2-7/8

0

5-3/8

5/8

.444

21.5

14.0

32

E60R32H

R1

8.070

7.652

25

3-3/4

3-5/32

2-7/8

0

5-3/8

5/8

.444

26.5

19.0

35

E60R35H

R1

8.780

8.367

25

3-3/4

3-5/32

2-7/8

0

5-3/8

5/8

.444

29.5

22.0

36

E60R36H

R1

9.020

8.605

25

3-3/4

3-5/32

2-7/8

0

5-3/8

5/8

.444

30.9

23.4

40

E60R40

R1

9.980

9.559

25

3-3/4

3-5/32

2-7/8

0

5-3/8

5/8

.444

38.8

31.3

42

E60R42

R1

10.460 10.036

25

3-3/4

3-5/32

2-7/8

0

5-3/8

5/8

.444

42.8

35.3

52

E60R52

R1

12.850 12.422

25

3-3/4

3-5/32

2-7/8

0

5-3/8

5/8

.444

70.7

63.2

Sprockets with “H” suffix have hardened teeth.

No. 80 – 3/4” Pitch L1

Double Single- MST — Steel No. Teeth

Catalog Number

Bushing Size

17 19 20 21 23

DS80Q17H DS80Q19H DS80Q20H DS80R21H DS80R23H

Q1 Q1 Q1 R1 R1

W

Diameters Outside Pitch Diameter Diameter

Min. Bore

Max. Bore

Type

L1

C

E

5.950 6.590 6.910 7.240 7.880

⁄4 3 ⁄4 3 ⁄4 11⁄8 11⁄8

211⁄16 211⁄16 211⁄16 33⁄4 33⁄4

B B B B B

23⁄16 23⁄16 23⁄16 23⁄16 23⁄16

15⁄8 15⁄8 15⁄8 15⁄8 15⁄8

45⁄16 461⁄64 59⁄32 519⁄32 615⁄64

5.442 6.076 6.392 6.710 7.344

Dimensions

3

L2

w Nom.

Wt. Rim Only

315⁄64 315⁄64 315⁄64 323⁄64 323⁄64

.575 .575 .575 .575 .575

7.2 10.5 12.2 12.8 13.3

L2

E

C

Sprockets with “H” suffix have hardened teeth.

MST TYPE B 9

MST Catalog

1/28/05

12:03 PM

Page 10

No. 80 – 1” Pitch

Martin

MST - Martin Split Taper

Single - MST Sprockets C

L P

O.D.

H

T OL

TYPE 3

C

L P

O.D.

H

T OL

TYPE 4

L T

P

H

O.D.

C OL

TYPE 5

No. Teeth

Catalog Number

Bushing

10 11 11 12 13 14 14 15 15 16 16 17 17 18 18 19 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 36 37 38 39 40 40 41 42 42 44 45 45 47 48 48 50 54 54 56 60 60 70 70 72 72 80 84 96 112

80H10H 80H11H 80P11H 80P12H 80P13H 80P14H 80Q14H 80P15H 80Q15H 80P16H 80Q16H 80P17H 80Q17H 80P18H 80Q18H 80P19H 80Q19H 80Q20H 80Q21H 80Q22H 80Q23H 80Q24H 80Q25H 80Q26H 80Q27H 80Q28H 80Q29H 80Q30H 80Q31 80Q32 80Q33 80Q34 80Q35 80Q36 80R36 80Q37 80Q38 80R39 80Q40 80R40 80R41 80Q42 80R42 80R44 80Q45 80R45 80R47 80Q48 80R48 80R50 80Q54 80R54 80R56 80Q60 80R60 80Q70 80R70 80Q72 80R72 80R80 80R84 80R96 80S112

H H P P1 P1 P1 Q1 P1 Q1 P1 Q1 P1 Q1 P1 Q1 P1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 R1 Q1 Q1 R1 Q1 R1 R1 Q1 R1 R1 Q1 R1 R1 Q1 R1 R1 Q1 R1 R1 Q1 R1 Q1 R1 Q1 R1 R1 R1 R1 S1

Diameters Outside Pitch Dia. Dia.

3.680 4.010 4.010 4.330 4.660 4.980 4.980 5.300 5.300 5.630 5.630 5.950 5.950 6.270 6.270 6.590 6.590 6.910 7.240 7.560 7.880 8.200 8.520 8.840 9.160 9.480 9.800 10.110 10.430 10.750 11.070 11.390 11.710 12.030 12.030 12.350 12.670 12.990 13.310 13.310 13.630 13.940 13.940 14.580 14.900 14.900 15.540 15.860 15.860 16.500 17.770 17.770 18.410 19.680 19.680 22.870 22.870 23.500 23.500 26.050 27.330 31.150 36.240

Dimensions Type

3.236 3.550 3.550 3.864 4.179 4.494 4.494 4.810 4.810 5.126 5.126 5.442 5.442 5.759 5.759 6.076 6.076 6.392 6.710 7.027 7.344 7.661 7.979 8.296 8.614 8.931 9.249 9.567 9.885 10.202 10.520 10.838 11.156 11.474 11.474 11.792 12.110 12.428 12.746 12.746 13.064 13.382 13.382 14.018 14.336 14.336 14.972 15.290 15.290 15.926 17.198 17.198 17.835 19.107 19.107 22.289 22.289 22.926 22.926 25.471 26.744 30.563 36.655

Sprockets with “H” suffix have hardened teeth.

10

3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5

Max. Bore

1-1/2 1-1/2 1-3/4 1-3/4 1-3/4 1-3/4 2-11/16 1-3/4 2-11/16 1-3/4 2-11/16 1-3/4 2-11/16 1-3/4 2-11/16 1-3/4 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 3-3/4 2-11/16 2-11/16 3-3/4 2-11/16 3-3/4 3-3/4 2-11/16 3-3/4 3-3/4 2-11/16 3-3/4 3-3/4 2-11/16 3-3/4 3-3/4 2-11/16 3-3/4 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 3-3/4 3-3/4 3-3/4 4-1/4

OL

2-3/32 1-1/2 2-11/32 2-3/16 2-3/16 2-3/16 2-25/32 2-3/16 2-25/32 2-3/16 2-25/32 2-3/16 2-25/32 2-3/16 2-25/32 2-3/16 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 3-5/32 2-25/32 2-25/32 3-5/32 2-25/32 3-5/32 3-5/32 2-25/32 3-5/32 3-5/32 2-25/32 3-5/32 3-5/32 2-25/32 3-5/32 3-5/32 2-25/32 3-5/32 3-5/32 2-25/32 3-5/32 2-25/32 3-5/32 2-25/32 3-5/32 3-5/32 3-5/32 3-5/32 4-3/4

L

C

11/4 1-1/4 1-15/16 1-15/16 1-15/16 1-15/16 2-1/2 1-15/16 2-1/2 1-15/16 2-1/2 1-15/16 2-1/2 1-15/16 2-1/2 1-15/16 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-7/8 2-1/2 2-1/2 2-7/8 2-1/2 2-7/8 2-7/8 2-1/2 2-7/8 2-7/8 2-1/2 2-7/8 2-7/8 2-1/2 2-7/8 2-7/8 2-1/2 2-7/8 2-7/8 2-1/2 2-7/8 2-1/2 2-7/8 2-1/2 2-7/8 2-7/8 2-7/8 2-7/8 4-3/8

21/32 1/16 5/32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-7/16 1-7/16 1-7/16 1-7/16 2 3/4

H

2-1/2 2-1/2 3 3 3 3 4-1/8 3 4-1/8 3 4-1/8 3 4-1/8 3 4-1/8 3 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 5-3/8 4-1/8 4-1/8 5-3/8 4-1/8 5-3/8 5-3/8 4-1/8 5-3/8 5-3/8 4-1/8 5-3/8 5-3/8 4-1/8 5-3/8 5-3/8 4-1/8 5-3/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 5-3/8 5-3/8 5-3/8 6-3/8

P

1-21/64 3/4 1-17/32 1-3/8 1-3/8 1-3/8 1-15/16 1-3/8 1-15/16 1-3/8 1-15/16 1-3/8 1-15/16 1-3/8 1-15/16 1-3/8 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 2 5/16 1-15/16 1-15/16 2 5/16 1-15/16 2 5/16 2 5/16 1-15/16 2 5/16 2 5/16 1-15/16 2 5/16 2 5/16 1-15/16 2 5/16 2 5/16 1-15/16 2 5/16 2 5/16 1-15/16 2 5/16 2 5/16 2 5/16 2 5/16 7/8 7/8 7/8 7/8 1-1/8

T(nom)

.575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575 .575

Weight (Approx.)

With Hub Rim Only

2.8 2.1 2.4 3.3 3.7 3.9 6.4 4.3 6.9 4.8 8.1 5.1 8.8 5.7 9.5 6.2 10.0 10.5 10.8 11.7 12.3 12.6 13.1 14.1 14.4 15.9 16.1 16.9 17.4 18.3 19.0 19.8 21.3 21.6 27.0 22.0 23.5 30.3 25.4 30.9 31.4 27.3 32.9 34.7 31.3 36.0 38.5 34.3 39.8 42.6 42.0 48.3 51.5 50.3 54.8 63.5 71.0 71.0 76.9 92.5 97.5 117.5 178.5

2.0 1.3 1.6 2.0 2.4 2.6 2.9 3.0 3.4 3.5 4.6 3.8 5.3 4.4 6.0 4.9 6.5 7.0 7.3 8.2 8.8 9.1 9.6 10.6 10.9 12.4 12.6 13.4 13.9 14.8 15.5 16.3 17.8 18.1 19.5 18.5 20.0 22.8 21.9 23.4 23.9 23.8 25.4 27.2 27.8 28.5 31.0 30.8 32.3 35.1 38.5 40.8 44.0 46.8 47.3 60.0 63.5 67.5 69.4 85.0 90.0 110.0 165.0

MST Catalog

1/28/05

12:03 PM

Page 11

Martin T 1.710” M

1.710” M

P

L

P

1.710” M

P

T

C

C

L 1.710” M

O.D.

H

TYPE 12

O.D.

L OL

C

L OL

P

H

H

O.D.

C

No. 80-2 – 1” Pitch

MST - Martin Split Taper

H

O.D.

T

T

OL

OL

TYPE 13

TYPE 16

TYPE 15

Double- MST Sprockets No. Teeth

Catalog Number

Bushing

Diameters Outside Pitch Dia. Dia.

Dimensions Type

Max. Bore

OL

L

2-19/32 1-15/16

C

H

P

T(nom)

Weight (Approx.)

With Hub Rim Only

13

D80P13H

P1

4.660

4.179

13

1-3/4

13/32

3

5/8

.557

4.9

14

D80Q14H

Q2

4.980

4.494

16

2-5/8

4 5/8

3-1/2

27/32

4-1/8

1-3/4

.557

9.9

3.6 5.4

15

D80Q15H

Q2

5.300

4.810

12

2-5/8

3-25/32

3-1/2

0

4-1/8

13/4

.557

9.9

5.4

16

D80Q16H

Q1

5.630

5.126

13

2-11/16

2-25/32

2-1/2

0

4-1/8

3/4

.557

8.3

4.8

17

D80Q17H

Q1

5.950

5.442

13

2-11/16

2-25/32

2-1/2

0

4-1/8

3/4

.557

9.5

6.0

18

D80Q18H

Q1

6.270

5.759

13

2-11/16

2-25/32

2-1/2

0

4-1/8

3/4

.557

10.8

7.3

19

D80Q19H

Q1

6.590

6.076

13

2-11/16

2-25/32

2-1/2

0

4-1/8

3/4

.557

12.0

8.5

20

D80R20H

R1

6.910

6.392

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

15.3

7.8

21

D80R21H

R1

7.240

6.710

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

16.9

9.4

22

D80R22H

R1

7.560

7.027

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

18.3

10.8 12.3

23

D80R23H

R1

7.880

7.344

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

19.8

24

D80R24H

R1

8.200

7.661

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

21.6

14.1

25

D80R25H

R1

8.520

7.979

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

23.3

15.8

26

D80R26

R1

8.840

8.296

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

25.6

18.1

27

D80R27

R1

9.160

8.614

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

27.9

20.4

28

D80R28

R1

9.480

8.931

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

30.2

22.7

30

D80R30

R1

10.110

9.567

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

34.3

26.8

36

D80R36

R1

12.030

11.474

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

49.1

41.6

42

D80R42

R1

13.940

13.382

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

65.5

58.0

45

D80R45

R1

14.900

14.336

12

3-3/4

3-5/32

2-7/8

0

5-3/8

1-5/32

.557

75.5

68.0

48

D80R48

R2

15.860

15.290

15

3-5/8

5-5/32

4-7/8

2-9/32

5-3/8

7/8

.557

97.0

86.0

52

D80R52

R2

17.130

16.562

15

3-5/8

5-5/32

4-7/8

2-9/32

5-3/8

7/8

.557

114.0

103.0

54

D80R54

R2

17.770

17.198

15

3-5/8

5-5/32

4-7/8

2-9/32

5-3/8

7/8

.557

122.0

111.0

60

D80R60

R2

19.680

19.107

15

3-5/8

5-5/32

4-7/8

2-9/32

5-3/8

7/8

.557

146.0

135.0

68

D80R68

R2

22.230

21.653

15

3-5/8

5-5/32

4-7/8

2-9/32

5-3/8

7/8

.557

187.0

176.0

72

D80R72

R2

23.500

22.926

15

3-5/8

5-5/32

4-7/8

2-9/32

5-3/8

7/8

.557

209.0

198.0

76

D80U76

U0

24.780

24.198

15

5-1/2

5-23/32

5-1/4

2-1/32

8-3/8

1-1/2

.557

249.0

219.0

95

D80U95

U0

30.830

30.245

15

51/2

5-23/32

5-1/4

2-1/32

8-3/8

1-1/2

.557

372.0

342.0

Sprockets with “H” suffix have hardened teeth.

11

MST Catalog

1/28/05

12:03 PM

Page 12

No. 80-3 – 1” Pitch

Martin

MST - Martin Split Taper L 2.863”

2.863” M

M T

P

T

2.863” M

P

P

2.863” M

P

T

O.D. H

O.D.

O.D.

H

H

H

O.D.

L

C T

C

C

OL

L OL

T OL

TYPE 22

TYPE 24

TYPE 25

OL

TYPE 27

Triple - MST Sprockets Diameters Outside Pitch Dia. Dia.

Type

Max. Bore

Weight (Approx.)

With Hub Rim Only

Catalog Number

Bushing

13

E80P13H

P2

4.660

4.179

24

1-3/4

9/16

3

5/8

.557

7.2

5.7

14

E80Q14H Q2

4.980

4.494

27

2-5/8

5 25/32

3-1/2

2

4-1/8

1-3/4

.557

12.0

7.5

15

E80Q15H Q2

5.300

4.810

22

2-5/8

4 29/32

3-1/2

1-1/8

4-1/8

1-3/4

.557

12.6

8.1

16

E80Q16H Q2

5.630

5.126

25

2-5/8

3 7/8

3-1/2

3/32

4-1/8

3/4

.557

13.8

9.3

17

E80Q17H Q2

5.950

5.442

24

2-5/8

3 29/32

3-1/2

1/8

4-1/8

3/4

.557

14.3

9.8

18

E80Q18H Q2

6.270

5.759

24

2-5/8

3 29/32

3-1/2

1/8

4-1/8

3/4

.557

16.5

12.0

OL

L

3-3/4 2-15/16

C

H

P

T(nom)

19

E80Q19H Q2

6.590

6.076

24

2-5/8

3 29/32

3-1/2

1/8

4-1/8

3/4

.557

18.4

13.9

20

E80R20H

6.910

6.392

24

3-3/4

4 1/32

2-7/8

7/8

5-3/8

7/8

.557

17.7

10.2

R1

21

E80R21H

R1

7.240

6.710

24

3-3/4

4 1/32

2-7/8

7/8

5-3/8

7/8

.557

19.9

12.4

22

E80R22H

R1

7.560

7.027

24

3-3/4

4 1/32

2-7/8

7/8

5-3/8

7/8

.557

22.1

14.6

23

E80R23H

R1

7.880

7.344

25

3-3/4

3-5/32

2-7/8

0

5-3/8

0

.557

23.4

15.9

24

E80R24

R1

8.200

7.661

25

3-3/4

3-5/32

2-7/8

0

5-3/8

0

.557

7.2

18.5

25

E80R25

R1

8.520

7.979

25

3-3/4

3-5/32

2-7/8

0

5-3/8

0

.557

12.0

20.3

26

E80R26

R1

8.840

8.296

25

3-3/4

3-5/32

2-7/8

0

5-3/8

0

.557

12.6

23.4

27

E80R27

R1

9.160

8.614

25

3-3/4

3-5/32

2-7/8

0

5-3/8

0

.557

13.8

25.8

28

E80R28

R1

9.480

8.931

25

3-3/4

3-5/32

2-7/8

0

5-3/8

0

.557

14.3

28.1

30

E80R30

R1

10.110

9.567

25

3-3/4

3-5/32

2-7/8

0

5-3/8

0

.557

16.5

33.3

36

E80S36

S1

12.030

11.474

22

4-1/4

5-1/8

4-3/8

0

6-3/8

1-1/2

.557

18.4

67.0

42

E80S42

S1

13.940

13.382

22

4-1/4

5-1/8

4-3/8

0

6-3/8

1-1/2

.557

17.7

96.1

45

E80S45

S1

14.900

14.336

22

4-1/4

5-1/8

4-3/8

0

6-3/8

1-1/2

.557

19.9

112.0

52

E80U52

U0

17.130

16.562

22

5-1/2

5-23/32

5-1/4

0

8-3/8

1-25/32

.557

22.1

150.0

60

E80U60

U0

19.680

19.107

22

5-1/2

5-23/32

5-1/4

0

8-3/8

1-25/32

.557

23.4

207.0

68

E80U68

U0

22.230

21.653

22

5-1/2

5-23/32

5-1/4

0

8-3/8

1-25/32

.557

23.4

271.0

76

E80U76

U0

24.780

24.198

22

5-1/2

5-23/32

5-1/4

0

8-3/8

1-25/32

.557

23.4

344.0

95

E80U95

U0

30.830

30.245

25

5-1/2

5-55/64

5-1/4

1/32

8-3/8

1-13/32

.557

23.4

183.0

Sprockets with “H” suffix have hardened teeth.

12

Dimensions

No. Teeth

MST Catalog

1/28/05

12:03 PM

Page 13

Martin

No. 100 – 1-1/4” Pitch

MST - Martin Split Taper

L1

Double Single- MST — Steel No. Teeth

Catalog Number

Bushing Size

W

Diameters Outside Pitch Diameter Diameter

Min. Bore

Max. Bore

Type

L1

C

Dimensions E

L2

w Nom.

Wt. Rim Only

17

DS100R17H

R1

7.440

6.803

11⁄8

33⁄4

B

211⁄16

2

513⁄32

3 27⁄32

.692

12.5

19

DS100R19H

R1

8.240

7.595

11⁄8

33⁄4

B

211⁄16

2

613⁄64

3 27⁄32

.692

18.8

21

DS100R21H

R1

9.040

8.387

11⁄8

33⁄4

B

211⁄16

2

7

3 27⁄32

.692

23.1

L2

E

Sprockets with “H” suffix have hardened teeth.

C

MST TYPE B

Single - MST Sprockets No. Teeth

Catalog Number

Bushing

Diameters Outside Pitch Dia. Dia.

Type

11 12 13 14 15 16 17 18 19 20 21 21 22 23 24 24 25 25 26 26 27 27 28 28 30 30 32 32 35 35 36 40 42 45 48 54 60 70 72 80 84

100P11H 100Q12H 100Q13H 100Q14H 100Q15H 100Q16H 100Q17H 100Q18H 100Q19H 100Q20H 100Q21H 100R21H 100Q22H 100Q23H 100Q24H 100R24H 100Q25H 100R25H 100Q26H 100R26H 100Q27H 100R27H 100Q28H 100R28H 100Q30H 100R30H 100Q32 100R32 100Q35 100R35 100R36 100R40 100R42 100R45 100R48 100R54 100R60 100R70 100R72 100R80 100R84

P1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 Q1 R1 Q1 Q1 Q1 R1 Q1 R1 Q1 R1 Q1 R1 Q1 R1 Q1 R1 Q1 R1 Q1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1

5.010 5.420 5.820 6.230 6.630 7.030 7.440 7.840 8.240 8.640 9.040 9.040 9.440 9.840 10.250 10.250 10.650 10.650 11.050 11.050 11.440 11.440 11.840 11.840 12.640 12.640 13.440 13.440 14.640 14.640 15.040 16.630 17.430 18.630 19.820 22.210 24.600 28.580 29.380 32.570 34.160

4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5

4.437 4.830 5.223 5.617 6.012 6.407 6.803 7.198 7.595 7.991 8.387 8.387 8.783 9.180 9.577 9.577 9.973 9.973 10.370 10.370 10.767 10.767 11.164 11.164 11.958 11.958 12.753 12.753 13.945 13.945 14.342 15.932 16.727 17.920 19.112 21.498 23.884 27.862 28.657 31.839 33.430

Dimensions Max. Bore

1-3/4 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 3-3/4 2-11/16 2-11/16 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4

OL

L

C

2-3/16 1-15/16 0 2-27/32 2-1/2 1/16 2-27/32 2-1/2 1/16 2-25/32 2-1/2 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 2-25/32 2-1/2 0 3-5/32 2-7/8 0 3-5/32 2-7/8 0 3-5/32 2-7/8 0 3-5/32 2-7/8 0 3-5/32 2-7/8 0 3-5/32 2-7/8 0 3-5/32 2-7/8 1-5/16 3-5/32 2-7/8 1-5/16 3-5/32 2-7/8 1-5/16 3-5/32 2-7/8 1-5/16 3-5/32 2-7/8 1-5/16 3-5/32 2-7/8 1-5/16

H

3 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 5-3/8 4-1/8 4-1/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8

P

T(nom)

1-1/4 1-7/8 1-7/8 1-13/16 1-13/16 1-13/16 1-13/16 1-13/16 1-13/16 1-13/16 1-13/16 2-3/16 1-13/16 1-13/16 1-13/16 2-3/16 1-13/16 2-3/16 1-13/16 2-3/16 1-13/16 2-3/16 1-13/16 2-3/16 1-13/16 2-3/16 1-13/16 2-3/16 1-13/16 2-3/16 2-3/16 2-3/16 2-3/16 2-3/16 2-3/16 7/8 7/8 7/8 7/8 7/8 7/8

.692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692 .692

Weight (Approx.)

With Hub Rim Only

4.1 7.0 7.8 9.1 10.1 10.9 11.7 12.5 13.3 14.4 15.3 20.8 16.1 17.3 18.9 23.1 19.5 24.5 20.8 25.4 21.7 27.1 23.1 28.5 25.9 32.0 28.8 34.0 33.7 37.3 40.5 48.4 51.8 58.0 65.0 76.5 91.5 111.5 113.5 142.5 145.5

2.8 3.5 4.3 5.6 6.6 7.4 8.2 9.0 9.8 10.9 11.8 13.3 12.6 13.8 15.4 15.6 16.0 17.0 17.3 17.9 18.2 19.6 19.6 21.0 22.4 24.5 25.3 26.5 30.2 29.8 33.0 40.9 44.3 50.5 57.5 69.0 84.0 104.0 106.0 135.0 138.0

L

C

P

O.D.

H

T OL

TYPE 4 L T

P

H

O.D.

C OL

TYPE 5

Sprockets with “H” suffix have hardened teeth.

13

MST Catalog

1/28/05

12:03 PM

Page 14

No. 100-2 – 1-1/4” Pitch 2.077” M

T

2.077”

M

P

C

2.077” M

P

T

C

H

L OL

C

L OL

2.077” M

P

C

H

O.D.

H

L

L

P

O.D.

Martin

MST - Martin Split Taper

T

T

OL

TYPE 14

TYPE 12

O.D.

H

O.D.

OL

TYPE 15

TYPE 18

Double - MST Sprockets Diameters Catalog Number

Bushing

Outside Dia.

Pitch Dia.

11

D100P11H

P1

5.010

4.437

14

1-3/4 2-15/16 1-15/16

12

D100Q12H

Q2

5.420

4.830

12

2-5/8

4-7/32

3-1/2

13

D100Q13H

Q2

5.820

5.223

12

2-5/8

4-7/32

14

D100Q14H

Q1

6.230

5.617

14

2-11/16

15

D100Q15H

Q1

6.630

6.012

14

2-11/16

16

D100Q16H

Q1

7.030

6.407

14

17

D100R17H

R1

7.440

6.803

18

D100R18H

R1

7.840

7.198

19

D100R19

R1

8.240

20

D100R20

R1

21

D100R21

22

Type

Max. Bore

OL

L

C

H

3/4

P

3

T(nom)

Weight (Approx.)

With Hub Rim Only

5/8

.669

6.0

7/16

4-1/8 1-55/64

.669

10.4

5.9

3-1/2

7/16

4-1/8 1-55/64

.669

12.4

7.9

3-3/32

2-1/2

5/16

4-1/8

3/4

.669

10.9

7.4

3-3/32

2-1/2

5/16

4-1/8

3/4

.669

12.6

9.1

2-11/16

3-3/32

2-1/2

5/16

4-1/8

3/4

.669

14.4

10.9

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

17.5

10.0

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

19.8

12.3

7.595

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

22.4

14.9

8.640

7.991

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

24.9

17.4

R1

9.040

8.387

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

27.8

20.3

D100R22

R1

9.440

8.783

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

30.3

22.8

24

D100R24

R1

10.250

9.577

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

37.0

29.5

35

D100R35

R1

14.640

13.945

14

3-3/4

3-7/32

2-7/8

1/16

5-3/8

7/8

.669

84.3

76.8

45

D100S45

S1

18.630

17.920

15

4-1/4

4-3/4

4-3/8 1-15/64

6-3/8

1-1/16

.669

151.5

138.0

60

D100S60

S1

24.600

23.884

15

4-1/4

4-3/4

4-3/8 1-15/64

6-3/8

1-1/16

.669

264.5

251.0

70

D100S70

S1

28.580

27.862

18

4-1/4

7-1/8

6-3/4

2 1/4

6-3/8

2-7/16

.669

371.5

358.0

18

4-1/4

7-1/8

6-3/4

2 1/4

6-3/8

2-7/16

.669

444.5

431.0

D100S80 S1 32.570 31.839 80 Sprockets with “H” suffix have hardened teeth.

14

Dimensions

No. Teeth

4.7

MST Catalog

1/28/05

12:03 PM

Page 15

Martin

No. 120 – 1-1/2” Pitch

MST - Martin Split Taper

L

L

C

O.D.

L T

P

P

P

H

H

O.D.

T

O.D.

H

C C

T OL

OL

OL

TYPE 5

TYPE 4

TYPE 6

Single - MST Sprockets Diameters

Dimensions

No. Teeth

Catalog Number

Bushing

Outside Dia.

Pitch Dia.

Type

11 12 13 14 15 16 16 17 17 18 18 19 20 21 22 23 24 25 26 28 30 32 35 36 40 40 42 45 45 48 54 60 60 70 70 80 80

120Q11H 120Q12H 120Q13H 120Q14H 120Q15H 120Q16H 120R16H 120Q17H 120R17H 120Q18H 120R18H 120R19H 120R20H 120R21H 120R22H 120R23H 120R24H 120R25H 120R26H 120R28H 120R30H 120R32 120R35 120R36 120R40 120S40 120S42 120R45 120S45 120S48 120S54 120R60 120S60 120R70 120S70 120R80 120S80

Q1 Q1 Q1 Q1 Q1 Q1 R1 Q1 R1 Q1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R2 R2 R2 S1 S1 R2 S1 S1 S1 R2 S1 R2 S2 R2 S2

6.010 6.500 6.990 7.470 7.960 8.440 8.440 8.920 8.920 9.410 9.410 9.890 10.370 10.850 11.330 11.810 12.290 12.770 13.250 14.210 15.170 16.130 17.570 18.050 19.960 19.960 20.920 22.350 22.350 23.790 26.650 29.520 29.520 34.300 34.300 39.080 39.080

5.324 5.796 6.268 6.741 7.215 7.689 7.689 8.163 8.163 8.638 8.638 9.113 9.589 10.064 10.540 11.016 11.492 11.968 12.444 13.397 14.350 15.303 16.734 17.211 19.118 19.118 20.072 21.503 21.503 22.935 25.798 28.661 28.661 33.434 33.434 38.207 38.207

4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 6 6 6 5 5 6 5 5 5 6 5 6 5 6 6

Max. Bore

2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 2-11/16 3-3/4 2-11/16 3-3/4 2-11/16 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-5/8 3-5/8 3-5/8 4-1/4 4-1/4 3-5/8 4-1/4 4-1/4 4-1/4 3-5/8 4-1/4 3-5/8 4-3/16 3-5/8 4-3/16

OL

L

C

2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 2-25/32 3-5/32 2-25/32 3-5/32 2-25/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 3-5/32 5-5/32 5-5/32 5-5/32 4-3/4 4-3/4 5-5/32 4-3/4 4-3/4 4-3/4 5-5/32 4-3/4 5-5/32 7-1/8 5-5/32 7-1/8

2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-7/8 2-1/2 2-7/8 2-1/2 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 4-7/8 4-7/8 4-7/8 4-3/8 4-3/8 4-7/8 4-3/8 4-3/8 4-3/8 4-7/8 4-3/8 4-7/8 6-3/4 4-7/8 6-3/4

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-1/16 1-1/16 1-1/16 1-1/16 2 2 2 2-3/8 2-3/8 2 2-3/8 2-3/8 2-3/8 2 2-3/8 2 2-7/8 2 2-7/8

H

4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 4-1/8 5-3/8 4-1/8 5-3/8 4-1/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 5-3/8 6-3/8 6-3/8 5-3/8 6-3/8 6-3/8 6-3/8 5-3/8 6-3/8 5-3/8 6-3/8 5-3/8 6-3/8

P

1 9/16 1 9/16 1 9/16 1 9/16 1 9/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 1-15/16 7/8 7/8 7/8 7/8 1-15/16 1-15/16 1-15/16 1-1/16 1-1/16 1-15/16 1-1/16 1-1/16 1-1/16 1-15/16 1-1/16 1-15/16 2-15/16 1-15/16 2-15/16

T(nom)

.924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924 .924

Weight (Approx.)

With Hub Rim Only

8.3 9.8 11.4 12.7 13.9 15.3 19.5 16.9 21.2 19.1 22.5 24.4 26.3 28.2 30.0 31.8 34.6 36.6 40.8 45.5 50.8 56.9 79.0 83.0 93.0 96.5 103.5 113.0 113.5 124.5 151.5 190.0 193.5 159.0 186.0 302.0 324.0

4.8 6.3 7.9 9.2 10.4 11.8 12.0 13.4 13.7 15.6 15.0 16.9 18.8 20.7 22.5 24.3 27.1 29.1 33.3 38.0 43.3 49.4 68.0 72.0 82.0 83.0 90.0 102.0 100.0 111.0 138.0 179.0 180.0 148.0 167.0 291.0 305.0

Sprockets with “H” suffix have hardened teeth.

15

MST Catalog

1/28/05

12:03 PM

Page 16

No. 120-2 – 1-1/2” Pitch

Martin

MST - Martin Split Taper L

L M 2.683”

P

C

H

2.683” M

P

O.D.

H

O.D.

T

T

OL

OL

TYPE 15

TYPE 18

Double - MST Sprockets No. Teeth

Diameters Outside Pitch Dia. Dia.

Type

S1

15.170

14.350

S1

17.570

16.734

Catalog Number

Bushing

30

D120S30

35

D120S35

OL

15

4-1/4

4-3/4

4-3/8

5/8

15

4-1/4

4-3/4

4-3/8

5/8

L

C

H

Weight (Approx.)

P

T(nom)

With Hub

6-3/8

1-1/16

.894

118.5

Rim Only

105.0

6-3/8

1-1/16

.894

161.5

148.0

45

D120S45

S2

22.350

21.503

18

4-3/16

7-1/8

6-3/4

1-27/32

6-3/8

2-7/32

.894

287.0

268.0

60

D120U60

U0

29.520

28.661

15

5-1/2

5-23/32

5-1/4

1-9/32

8-3/8

19/32

.894

213.0

183.0

Sprockets with “H” suffix have hardened teeth.

16

Dimensions Max. Bore

C

MST Catalog

1/28/05

12:03 PM

Page 17

Martin

No. 140 – 1-3/4” Pitch

MST - Martin Split Taper

L

L

C

O.D.

H

L T

P

P

P

H

O.D.

T

O.D.

H

C C

T OL

OL

OL

TYPE 5

TYPE 4

TYPE 6

Single - MST Sprockets Diameters Outside Pitch Dia. Dia.

No. Teeth

Catalog Number

Bushing

11

140Q11H

Q1

7.010

12

140Q12H

Q1

13

140R13H

14 15

Dimensions

Weight (Approx.)

Type

Max. Bore

OL

L

T(nom)

With Hub

Rim Only

6.212

4

2-11/16

2-25/32

2-1/2

0

4-1/8

1 9/16

.924

9.9

6.4

7.580

6.762

4

2-11/16

2-25/32

2-1/2

0

4-1/8

1 9/16

.924

12.5

9.0

R1

8.150

7.313

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-15/16

.924

18.6

11.1

140R14H

R1

8.720

7.864

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-15/16

.924

20.1

12.6

140R15H

R1

9.280

8.417

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-1/16

.924

22.2

14.7

16

140R16H

R1

9.850

8.970

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-1/16

.924

24.0

16.5

17

140R17H

R1

10.410

9.524

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-15/16

.924

26.0

18.5

18

140R18H

R1

10.980

10.078

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-15/16

.924

28.0

20.5

19

140R19H

R1

11.540

10.632

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-15/16

.924

30.5

23.0

20

140R20H

R1

12.100

11.187

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-15/16

.924

32.9

25.4

21

140R21H

R1

12.660

11.742

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-15/16

.924

35.3

27.8

22

140R22H

R1

13.220

12.297

5

3-3/4

3-5/32

2-7/8

1-1/16

5-3/8

7/8

.924

40.0

32.5

23

140R23H

R1

13.780

12.852

5

3-3/4

3-5/32

2-7/8

1-1/16

5-3/8

7/8

.924

43.5

36.0

24

140R24H

R1

14.340

13.407

5

3-3/4

3-5/32

2-7/8

1-1/16

5-3/8

7/8

.924

45.1

37.6

25

140R25H

R1

14.900

13.963

5

3-3/4

3-5/32

2-7/8

1-1/16

5-3/8

7/8

.924

47.8

40.3 44.0

C

H

P

26

140R26H

R1

15.460

14.518

5

3-3/4

3-5/32

2-7/8

1-1/16

5-3/8

7/8

.924

51.5

30

140R30H

R2

17.700

16.742

5

3-5/8

5-5/32

4-7/8

2

5-3/8

7/8

.924

79.0

68.0

35

140R35

R2

20.490

19.523

6

3-5/8

5-5/32

4-7/8

2

5-3/8

7/8

.924

99.0

88.0

36

140R36

R2

21.050

20.079

6

3-5/8

5-5/32

4-7/8

2

5-3/8

7/8

.924

101.0

90.0

36

140S36

S1

21.050

20.079

5

4-1/4

43/4

4-3/8

2-3/8

6-3/8

1-1/16

.924

102.5

89.0

40

140R40

R2

23.290

22.305

6

3-5/8

5-5/32

4-7/8

2

5-3/8

7/8

.924

120.0

109.0

40

140S40

S1

23.290

22.305

5

4-1/4

4-3/4

4-3/8

2-3/8

6-3/8

1-1/16

.924

120.5

107.0

45

140S45

S1

26.080

25.087

5

4-1/4

4-3/4

43/8

2-3/8

6-3/8

1-1/16

.924

145.5

132.0

48

140S48

S2

27.750

26.757

6

4-3/16

7-1/2

6-3/4

2-7/8

6-3/8

2-15/16

.924

188.0

169.0

54

140S54

S2

31.100

30.097

6

4-3/16

7-1/2

6-3/4

2-7/8

6-3/8

2-15/16

.924

227.0

208.0

60

140S60

S2

34.440

33.438

6

4-3/16

7-1/2

6-3/4

2-7/8

6-3/8

2-15/16

.924

249.0

230.0

70

140S70

S2

40.020

39.006

6

4-3/16

7-1/2

6-3/4

2-7/8

6-3/8

2-15/16

.924

330.0

311.0

80

140S80

S2

45.590

44.575

6

4-3/16

7-1/2

6-3/4

2-7/8

6-3/8

2-15/16

.924

261.0

242.0

Sprockets with “H” suffix have hardened teeth.

17

MST Catalog

1/28/05

12:03 PM

Page 18

No. 160 – 2” Pitch

Martin

MST - Martin Split Taper

L

L

C

P

P

O.D.

H

T

O.D.

H

C T OL

OL

TYPE 6

TYPE 4

Single - MST Sprockets Diameters Type

Bushing

11

160R11H

R1

8.010

7.099

4

3-3/4 3-13/32

2-7/8

1/4

5-3/8

1-31/32

1.156

18.3

10.8

12

160R12H

R1

8.660

7.727

4

3-3/4 3-13/32

2-7/8

1/4

5-3/8

1-31/32

1.156

21.7

14.2

13

160R13H

R1

9.310

8.357

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-23/32

1.156

23.0

15.5

14

160R14H

R1

9.960

8.988

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-23/32

1.156

26.0

18.5

15

160R15H

R1

10.610

9.620

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-23/32

1.156

29.1

21.6

16

160R16H

R1

11.260

10.252

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-23/32

1.156

32.5

25.0

17

160R17H

R1

11.900

10.885

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-23/32

1.156

35.5

28.0

18

160R18H

R1

12.540

11.518

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-23/32

1.156

39.4

31.9

19

160R19H

R1

13.190

12.151

4

3-3/4

3-5/32

2-7/8

0

5-3/8

1-23/32

1.156

43.4

35.9

20

160R20H

R2

13.830

12.785

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

62.0

51.0

21

160R21H

R2

14.470

13.419

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

67.0

56.0

22

160R22H

R2

15.110

14.053

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

71.0

60.0

23

160R23H

R2

15.750

14.688

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

76.0

65.0

24

160R24H

R2

16.390

15.323

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

82.5

71.5

25

160R25H

R2

17.030

15.958

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

85.0

74.0

26

160R26H

R2

17.670

16.593

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

90.0

79.0

26

160S26H

S2

17.670

16.593

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-23/32

1.156

98.0

79.0 99.8

OL

L

C

H

P

T(nom)

28

160R28H

R2

18.950

17.863

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

110.8

28

160S28H

S2

19.950

17.863

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-23/32

1.156

118.8

99.8

30

160R30H

R2

20.230

19.134

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-23/32

1.156

117.0

106.0

30

160S30H

S2

20.230

19.134

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-23/32

1.156

134.0

115.0

35

160S35

S2

23.420

22.312

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-23/32

1.156

169.0

150.0

40

160S40

S2

26.610

25.491

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-23/32

1.156

184.0

165.0

45

160S45

S2

29.800

28.671

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-23/32

1.156

223.0

204.0

60

160U60

U0

39.360

38.215

6

5-1/2

5 25/32

5-1/4

1-15/16

8-3/8

1-21/32

1.156

338.0

308.0

70

160U70

U0

45.730

44.578

6

5-1/2

5 25/32

5-1/4

1-15/16

8-3/8

1-21/32

1.156

384.0

354.0

80

160S80

S2

52.100

50.943

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-23/32

1.156

0

0

80

160U80

U1

52.100

50.943

6

5-1/2 7-19/32

7-1/8

2-7/8

8-3/8

2 19/32

1.156

434.0

394.0

Sprockets with “H” suffix have hardened teeth.

18

Max. Bore

Weight (Approx.)

With Hub Rim Only

Catalog Number

Outside Dia.

Pitch Dia.

Dimensions

No. Teeth

MST Catalog

1/28/05

12:03 PM

Page 19

Martin

No. 200 – 2-1/2” Pitch

MST - Martin Split Taper

L P

T

O.D.

H

C OL

TYPE 6

Single - MST Sprockets Bushing

Diameters Outside Pitch Dia. Dia.

Type

200R12

R2

10.830

9.660

6

3-5/8

5-5/32

4-7/8

2

5-3/8

1-1/2 1.389

46.3

35.3

13

200S13

S2

11.640

10.447

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-1/2 1.389

71.2

52.2

14

200S14

S2

12.460

11.235

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-1/2 1.389

76.5

57.5

15

200S15

S2

13.260

12.025

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-1/2 1.389

80.0

61.0

16

200S16

S2

14.070

12.815

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-1/2 1.389

90.0

71.0

17

200S17

S2

14.870

13.605

6

4-3/16

7-1/8

6-3/4

2-7/8

6-3/8

2-1/2 1.389

98.0

79.0

18

200U18

U0

15.680

14.397

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

106.5

76.5

19

200U19

U0

16.480

15.190

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

113.7

83.7

20

200U20

U0

17.290

15.982

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

121.3

91.3

No. Teeth

Catalog Number

12

Dimensions Max. Bore

OL

L

C

H

P

T(nom)

Weight (Approx.)

With Hub Rim Only

21

200U21

U0

18.090

16.775

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

129.4

99.4

22

200U22

U0

18.890

17.567

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

140.0

110.0

23

200U23

U0

19.690

18.360

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

147.0

117.0

24

200U24

U0

20.490

19.152

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

156.0

126.0

25

200U25

U0

21.290

19.947

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

170.0

140.0

26

200U26

U0

22.090

20.740

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

180.0

150.0

28

200U28

U0

23.690

22.330

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

199.0

169.0

30

200U30

U0

25.290

23.917

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

218.0

188.0

32

200U32

U0

26.880

25.505

6

5-1/2

5-23/32

5-1/4

1 5/8

8-3/8

2-17/32 1.389

242.0

212.0

35

200U35

U1

29.280

27.890

6

5-1/2

7-19/32

7-1/8

2-7/8

8-3/8

2-7/8 1.389

292.0

252.0

40

200U40

U1

33.270

31.865

6

5-1/2

7-19/32

7-1/8

2-7/8

8-3/8

2-7/8 1.389

346.0

306.0

45

200U45

U1

37.250

35.840

6

5-1/2

7-19/32

7-1/8

2-7/8

8-3/8

2-7/8 1.389

330.0

290.0

54

200U54

U2

44.420

42.995

6

5 10-19/32

10-1/8

4-1/4

8-3/8

3-29/32 1.389

435.0

385.0

60

200U60

U2

49.200

47.767

6

5 10-19/32

10-1/8

4-1/4

8-3/8

3-29/32 1.389

495.0

445.0

Sprockets with “H” suffix have hardened teeth.

19

MST Catalog

1/28/05

12:03 PM

Page 20

MST Bushings

Martin

MST - Martin Split Taper

Bushing Specifications Part No.

D

L

H P1 P2 P3 Q1 Q2 Q3 R1 R2 S1 S2 UO UO U1 U2 W1 W2

2.50 3.00 3.00 3.00 4.12 4.12 4.12 5.38 5.38 6.38 6.38 8.38 8.38 8.38 8.38 12.50 12.50

1.25 1.94 2.94 4.44 2.50 3.50 5.00 2.88 4.88 4.38 6.75 5.25 4.94 7.12 10.12 8.25 11.25

A 0.25 0.41 0.41 0.41 0.53 0.53 0.53 0.62 0.62 0.75 0.75 1.06 0.75 1.06 1.06 1.44 1.44

Dimensions B Large End

Stock Bore Range G

B.C.

W

Type 1

Type 2

No.

Size

1.6250 1.9375 1.9375 1.9375 2.8750 2.8750 2.8750 4.0000 4.0000 4.6250 4.6250 6.0000 6.0000 6.0000 6.0000 8.5000 8.5000

0.19 0.22 0.22 0.22 0.22 0.22 0.22 0.25 0.25 0.31 0.31 0.44 0.44 0.44 0.44 0.44 0.44

2.00 2.44 2.44 2.44 3.38 3.38 3.38 4.62 4.62 5.38 5.38 7.00 7.00 7.00 7.00 10.00 10.00

— 0.375 0.375 0.375 0.500 0.500 0.500 0.750 0.750 0.750 0.750 1.250 1.250 1.250 1.250 1.250 1.250

3/8 - 1-3/8 1/2 - 1-7/16 3/4 - 1-7/16 1-1/8 - 1-3/8 3/4 - 2-1/16 1 - 2-1/16 1-3/8 - 2-1/16 1-1/8 - 2-13/16 1-3/8 - 2-13/16 1-11/16 - 3-3/16 1-7/8 - 3-3/16 2-3/8 - 3-1/16 3-1/4 - 4-1/4 2-3/8 - 4-1/4 2-7/16 - 4-1/4 3-3/8 - 6-3/16 3-3/8 - 6-3/16

1-7/16 - 1-1/2 1-1/2 - 1-3/4 1-1/2 - 1-3/4 1-5/8 2-1/8 - 2-11/16 2-1/8 - 2-5/8 2-1/8 - 2-1/2 2-7/8 - 3-3/4 2-7/8 - 3-5/8 3-1/4 - 4-1/4 3-1/4 - 4-3/16 — 4-3/8 - 5-1/2 4-3/8 - 5-1/2 4-3/8 - 5 6-1/4 - 7-7/16 6-1/4 - 7-7/16

2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4

1/4X3/4 5/16X1 5/16X1 5/16X1 3/8X1-1/4 3/8X1-1/4 3/8X1-1/4 3/8X1-3/4 3/8X1-3/4 1/2X2-1/4 1/2X2-1/4 5/8X2-3/4 5/8X2-3/4 5/8X2-3/4 5/8X2-3/4 3/4X3 3/4X3

All tapers are 3/4” per 12” on Dia. All dimensions are in inches except, as noted.

All bushings are ductile iron, sintered steel, or steel. Consult manufacturer for clarification.

20

Cap Screws

Wrench Av. Wt. Torque Lbs. In. / lbs.

0.8 1.3 1.5 2 3.5 4.5 5.5 7.5 11 13.5 19 30 27 40 50 104 133

95 192 192 192 348 348 348 348 348 840 840 1680 1680 1680 1680 3000 3000

MST Catalog

1/28/05

12:03 PM

Page 21

Martin

MST Bushings

MST - Martin Split Taper

INSTALLATION

REMOVAL WRENCH TORQUE VALUES FOR TIGHTENING BUSHINGS MST Bushing Size

Size of Cap Screw

Wrench Torque in. / lbs.

H

1/4 x 3/4

95

P

5/16 x 1

192

Q

3/8 x 1-1/4

348

R

3/8 x 1-3/4

348

S

1/2 x 2-1/4

840

U

5/8 x 2-3/4

1680

W

3/4 x 3

3000

1.

2.

3.

4.

Loosen and remove capscrews.

Insert capscrews in tapped removal holes.

Tighten inserted screws until sprocket is loose on shaft.

Remove sprocket from shaft.

CAUTION WARNING: USE OF ANTI-SEIZE LUBRICANT ON TAPERED CONE SURFACES OR ON BOLT THREADS WHEN MOUNTING MAY RESULT IN DAMAGE TO SHEAVES AND SPROCKETS. THIS VOIDS ALL MANUFACTURER'S WARRANTIES.

WARNING: Because of the possible danger to person(s) or property from accidents which may result from the improper use of products, it is important that correct procedures be followed: Products must be used in accordance with the engineering information specified in the catalog. Proper installation, maintenance and operation procedures must be observed. The instructions given above must be followed. Inspections should be made as necessary to assure safe operation under prevailing conditions. All rotating power transmission products when used in a drive are potentially dangerous and must be guarded by the user as required by applicable laws, regulations, standards, and good safety practice. (Refer to ANSI Standard B15.1.)

21

MST Catalog

1/28/05

12:03 PM

Page 22

MST Hubs

Martin

MST - Martin Split Taper

P

Steel Hub Specifications Part No.

For Bushing

D

L

P

HH1 HCH1 HP1 HCP1 HP2 HQ1 HCQ1 HQ2 HR1 HR2 HS1 HS2 HU0 HU1 HU2 HW1

H H P1 P1 P2 Q1 Q1 Q2 R1 R2 S1 S2 UO U1 U2 W1

2.50 2.50 3.00 3.00 3.00 4.50 4.50 4.50 5.75 5.75 6.75 6.75 8.50 8.50 8.50 12.50

0.88 0.88 1.31 1.31 2.31 1.75 1.75 2.75 2.00 4.00 3.31 5.69 3.75 5.62 8.62 6.38

2.375 2.375 2.875 2.875 2.875 4.375 4.375 4.375 5.625 5.625 6.500 6.500 8.250 8.250 8.250 12.250

L1

Dimensions B

0.174 0.625 0.292 1.000 1.100 0.709 1.250 1.606 0.709 1.606 0.946 2.963 2.000 2.963 6.016 2.963

1.6210 1.6210 1.9375 1.9375 1.9375 2.8750 2.8750 2.8750 4.0000 4.0000 4.6250 4.6250 6.0000 6.0000 6.0000 8.5000

K

B.C.

W

ao

— — 1.094 1.094 1.094 1.562 1.562 1.562 2.188 2.188 2.562 2.562 3.250 3.250 3.250 4.562

2.000 2.000 2.438 2.438 2.438 3.375 3.375 3.375 4.625 4.625 5.375 5.375 7.000 7.000 7.000 10.000

— — 0.375 0.375 0.375 0.500 0.500 0.500 0.750 0.750 0.750 0.750 1.250 1.250 1.250 1.250

— — 60 60 60 60 60 60 60 60 60 60 60 60 60 22.5

Tapped Holes Size No. 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 4

1/4 - 20 1/4 - 20 5/16 - 18 5/16 - 18 5/16 - 18 3/8 - 16 3/8 - 16 3/8 - 16 3/8 - 16 3/8 - 16 1/2 - 13 1/2 - 13 5/8 - 11 5/8 - 11 5/8 - 11 3/4 -10

Wt. Lbs. 0.6 0.7 1.4 1.1 2.5 4.4 4.4 6.9 7.3 15.4 17.3 30.4 32.0 44.6 69.0 130.

All tapers are 3/4” per 12” on Dia. All dimensions are in inches, except as noted.

For more information on

Martin Split Taper, please contact your local Martin facility.

Martin North American Locations USA General Offices Sales and Manufacturing Arlington, TX 3100 Sprocket Drive 76015-2898 Arlington, Texas 76015-0088 817-258-3000 (FAX 817-258-3333) Regional Sales & Manufacturing Danielsville, PA 3376 Delps Road Danielsville, PA 18038 610-837-1841 (FAX 610-837-7337) Ft. Worth, TX 3600 McCart Ave. Ft. Worth, TX 76110-4692 817-258-3000 (FAX 817-258-3173) Montpelier, OH 350 S. Airport Road Montpelier, OH 43543-9329 419-485-5515 (FAX 419-485-3565) Sacramento, CA 1199 Vine Street Sacramento, CA 95814-0426 916-441-7172 (FAX 916-441-4600) Scottdale, GA 3303 Church Street Scottdale, GA 30079-1395 404-292-8744 (FAX 404-292-7771)

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Mini Manufacturing Centers Boston, MA 357 Fortune Boulevard Milford, MA 01757 508-634-3990 (FAX 508-634-3998) Charlotte, NC 3901 Scott Futrell Drive Charlotte, NC 28208-3539 704-394-9111 (FAX 704-394-9122) Chicago, IL 1505 Birchwood Avenue Des Plaines, IL 60018-3001 847-298-8844 (FAX 847-298-2967) Denver, CO 10800 East 54th Avenue Denver CO 80239 303-371-8466 (FAX 303-371-7116) Detroit, MI 12555 Belden Ct. Livonia, MI 48150 734-367-0238 (FAX 734-367-0547) Houston, TX 9910 Bent Oak Drive Houston, TX 77040 713-849-4330 (FAX 713-849-4807)

Kansas City, MO 1520 N. Commerce Avenue Kansas City, MO 64120-4961 816-231-5575 (FAX 816-231-1959) Los Angeles, CA 5920 S. Triangle Drive Commerce, CA 90040-3639 323-728-8117 (FAX 323-722-7526) Minneapolis, MN 10601 Hampshire Avenue South Bloomington, MN 55438-2395 952-829-0623 (FAX 952-944-9385) Portland, OR 3030 N.W. Industrial Portland, OR 97210-1734 503-223-7261 (FAX 503-221-0203) Tampa, FL 3201 Queen Palm Drive Tampa FL 33619 813-623-1705 (FAX 813-626-8953) Wayne, NJ 7 High Point Drive Wayne, NJ 07470-7432 973-633-5700 (FAX 973-633-7196)

Manufacturing Only Abilene, TX • Clarksville, TX Dallas, TX • Mansfield, TX Paragould, AR (Plastics Div.) CANADA Sales and Manufacturing Martin Sprocket & Gear Canada Inc. 896 Meyerside Drive Mississauga, Ontario, Canada L5T 1R9 905-670-1991 (FAX 905-670-2110) Martin Sprocket & Gear Canada Inc. (Conveyor Division) 1030 Industrial Road Ayr, Ontario, Canada NOB 1EO 519-621-0546 (FAX 519-621-4413) MEXICO Sales and Manufacturing Martin Sprocket & Gear de Mexico, S.A. de C.V. Km 52 Carretera Naucalpan-Toluca Calle 3, Lt. 11 Mz. VII Parque Industrial Toluca 2000 Toluca, Edo. de México 50200 +52 722 276 0800 (Fax: +52 722 276 0801)